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Title: Synthesis of rhenium coatings on 316 stainless steel and their electrochemical behavior towards water oxidation in saline environments

Journal Article · · Electrochimica Acta
 [1];  [2];  [2];  [3];  [4];  [5];  [2];  [6]; ORCiD logo [3]
  1. University of Iceland (Iceland)
  2. Grein Research, Reykjavik (Iceland)
  3. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  4. Pontificia Universidad Catolica de Chile (Chile)
  5. Univ. of Pennsylvania, Philadelphia, PA (United States)
  6. Grein Research, Reykjavik (Iceland); University of Iceland, Reykjavik (Iceland)

The production of electrolytic hydrogen or Green Hydrogen has attracted the attention of scientists as a potential enabler of sustainable energy production. The cleavage of the water molecule requires high energy, in order to produce hydrogen and oxygen through their corresponding half reactions, the hydrogen evolution and oxygen evolution reactions. Further, this latter reaction has been studied in more detail, since its slow kinetics make the water electrolysis less efficient, and, for instance, delay the formation of hydrogen in the counter compartment of the electrolytic cell. In this work, a study of the oxygen evolution reaction is presented. For this, a series of rhenium catalysts deposited onto stainless steel 316 are studied with the aim of analyzing the effect of the pure metal (Re) and the metal with heteroatoms (Re-C, Re-B, and Re-O). As one of the problems worldwide is the scarcity of freshwater, the study focuses on the performance of this series of catalysts in highly saline environments, representative of seawater. The synthesis and electrochemical performance is shown, giving high expectations that these electrocatalysts could be potential electrocatalysts in marine environments.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
2481230
Journal Information:
Electrochimica Acta, Journal Name: Electrochimica Acta Vol. 512; ISSN 0013-4686
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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